Although we don't believe in timing the market or panicking over market movements, we do like to keep an eye on big changes -- just in case they're material to our investing thesis.

What: Shares of pawn store operator and payday lender EZCORP (Nasdaq: EZPW) are on the lam today, falling as much as 11.8% on very heavy volume before stabilizing at about a 9% loss.

So what: The company just reported third-quarter results and came up short of Wall Street's estimates. That's in contrast to rivals First Cash Financial Services (Nasdaq: FCFS) and Cash America International (NYSE: CSH), both of whom exceeded expectations when reporting earnings this week.

Now what: EZCORP shares have still gained 70% over the last year and 14% in the past three months as investors see Americans flocking to alternative financing in this troubled economy. The stock may have gotten ahead of the business for a while, in which case this drop just realigned it with economic reality. Management remains steadfast in its full-year estimates, and this earnings miss was small -- there's really nothing terribly wrong with EZCORP today.

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Fool contributor Anders Bylund holds no position in any of the companies discussed here. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool is investors writing for investors.